NPK International Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
The Woodlands, TX
SEC filing record 1 source field available
Fiscal year end
31 December
NPK International Inc. has filed 1,590 SEC EDGAR filings since 06 Feb 1995

SEC filing history

Showing 351-375 of 1,000 matching filings.

Per page
25
Current page
15
4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
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4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
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4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
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4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
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4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
21 May 2021
Reporting date
20 May 2021
SEC evidence
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S-8 File 333-256334

S-8

Filing date
20 May 2021
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
20 May 2021
Reporting date
18 May 2021
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4

PRIMARY DOCUMENT

Filing date
20 May 2021
Reporting date
18 May 2021
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DEFA14A File 001-02960

DEFA14A

Filing date
08 Apr 2021
Reporting date
Not listed
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DEF 14A File 001-02960

DEF 14A

Filing date
08 Apr 2021
Reporting date
20 May 2021
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PRE 14A File 001-02960

PRE 14A

Filing date
19 Mar 2021
Reporting date
20 May 2021
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4

PRIMARY DOCUMENT

Filing date
01 Mar 2021
Reporting date
14 Feb 2021
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SC 13G/A File 005-30300

SEC SCHEDULE 13G

Filing date
12 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-30300

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-30300

SC 13G/A filing

Filing date
04 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-30300

SC 13G/A filing

Filing date
29 Jan 2021
Reporting date
Not listed
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3

PRIMARY DOCUMENT

Filing date
05 Jan 2021
Reporting date
01 Jan 2021
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